Snail
- Kropki dots
- XV and number dots
- Thermometers
- Renban lines
- Palindromes
- Negative constraint
The brief
Normal sudoku rules apply.
Along the thermometer, digits must increase from the bulb end.
Digits along the purple line are a set of consecutive, non-repeating digits in any order.
The yellow line is a palindrome and must read the same in both directions.
Digits separated by a white dot must be consecutive. Not all dots are given.
Digits separated by a V must sum to 5. Digits separated by an X must sum to 10. All X are given. Not all V are given.